| Geant4 Cross Reference |
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25 //
26 // Guy Barrand 12th March 2021
27
28 #include "G4ToolsSGX11GLES.hh"
29
30 #include "G4ToolsSGViewer.hh"
31
32 #include <toolx/X11/sg_viewer>
33
34 G4ToolsSGX11GLES::G4ToolsSGX11GLES():
35 parent
36 ("TOOLSSG_X11_GLES",
37 "TSG_X11_GLES",
38 "TOOLSSG_X11_GLES is a graphics driver based on the g4tools tools/sg scene graph logic where\n\
39 the rendering is done with GLES and the windowing is done with X11.",
40 parent::threeDInteractive)
41 ,fSGSession(nullptr)
42 {}
43
44 G4ToolsSGX11GLES::~G4ToolsSGX11GLES() {
45 delete fSGSession;
46 }
47
48 void G4ToolsSGX11GLES::Initialise() {
49 if(fSGSession) return; //done.
50 fSGSession = new toolx::X11::session(G4cout);
51 if(!fSGSession->is_valid()) {
52 G4cerr << "G4ToolsSGX11GLES::Initialise : session::is_valid() failed." << G4endl;
53 delete fSGSession;
54 fSGSession = nullptr;
55 return;
56 }
57 }
58
59 G4VSceneHandler* G4ToolsSGX11GLES::CreateSceneHandler(const G4String& a_name) {
60 G4VSceneHandler* pScene = new G4ToolsSGSceneHandler(*this,a_name);
61 return pScene;
62 }
63
64 G4VViewer* G4ToolsSGX11GLES::CreateViewer(G4VSceneHandler& a_scene,const G4String& a_name) {
65 if(!fSGSession) Initialise();
66 if(!fSGSession) return nullptr;
67 G4VViewer* pView =
68 new G4ToolsSGViewer<toolx::X11::session,toolx::X11::sg_viewer>
69 (*fSGSession,(G4ToolsSGSceneHandler&)a_scene,a_name);
70 if (pView) {
71 if (pView->GetViewId() < 0) {
72 G4cerr <<
73 "G4ToolsSGX11GLES::CreateViewer: ERROR flagged by negative"
74 " view id in G4ToolsSGViewer creation."
75 "\n Destroying view and returning null pointer."
76 << G4endl;
77 delete pView;
78 pView = nullptr;
79 }
80 }
81 if (!pView) {
82 G4cerr <<
83 "G4ToolsSGX11GLES::CreateViewer: ERROR: null pointer on new G4ToolsSGViewer."
84 << G4endl;
85 }
86 return pView;
87 }
88